Container cover



FIG. 1 is a top perspective view of a container cover showing my new design;

FIG. 2 is a top plan view thereof, the side opposite being plain and unornamented;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image; and

FIG. 4 is a front elevational view thereof. 

The ornamental design for a container cover, as shown and described. 